问答详情
源自:7-8 切换背景图像综合练习题

动画还是不够流畅,感觉有所卡顿。

<!DOCTYPE HTML>

<html lang="en-US">


<head>

    <meta charset="UTF-8">

    <title>CSS3 Full Background Slider </title>

    <style type="text/css">

        /* @importurl("http://www.w3cplus.com/demo/css3/base.css");

            @importurl("http://fonts.googleapis.com/css?family=Yesteryear"); */


        html,

        body {

            height: 100%;

            width: 100%;

            overflow-x: hidden;

            overflow-y: hidden;

        }


        /*设置背景图片全屏显示,并且居中*/

        img.bg {

            min-height: 100%;

            min-width: 1024px;

            width: 100%;

            position: fixed;

            top: 0;

            left: 50%;

            z-index: 1;

            transform: translateX(-50%);

            -webkit-transform: translateX(-50%);

            -moz-transform: translateX(-50%);

            -o-transform: translateX(-50%);

            -ms-transform: translateX(-50%);

        }


        /*设置背景图片从左向右移入显示的动画效果*/

        /* Slide Left */


        @-webkit-keyframes slideLeft {

            0% {

                left: -500px;

            }


            100% {

                right: 0;

            }

        }


        @-moz-keyframes slideLeft {

            0% {

                left: -500px;

            }


            100% {

                right: 0;

            }

        }


        @-o-keyframes slideLeft {

            0% {

                left: -500px;

            }


            100% {

                right: 0;

            }

        }


        @-ms-keyframes slideLeft {

            0% {

                left: -500px;

            }


            100% {

                right: 0;

            }

        }


        @keyframes slideLeft {

            0% {

                left: -500px;

            }


            100% {

                right: 0;

            }

        }


        /*设置背景图像从底部向顶部移入的动画效果*/

        /* Slide Bottom */


        @-webkit-keyframes slideBottom {

            0% {

                top: 90%;

            }


            100% {

                top: 0;

            }

        }


        @-moz-keyframes slideBottom {

            0% {

                top: 90%;

            }


            100% {

                top: 0;

            }

        }


        @-ms-keyframes slideBottom {

            0% {

                top: 90%;

            }


            100% {

                top: 0;

            }

        }


        @-o-keyframes slideBottom {

            0% {

                top: 90%;

            }


            100% {

                top: 0;

            }

        }


        @keyframes slideBottom {

            0% {

                top: 90%;

            }


            100% {

                top: 0;

            }

        }


        /*设置背景图片由小到大放大动画效果*/

        /* Zoom In */


        @-webkit-keyframes zoomIn {

            0% {

                -webkit-transform: scale(0.1);

            }


            100% {

                left: 0;

                -webkit-transform: none;

            }

        }


        @-moz-keyframes zoomIn {

            0% {

                -moz-transform: scale(0.1);

            }


            100% {

                left: 0;

                -moz-transform: none;

            }

        }


        @-ms-keyframes zoomIn {

            0% {

                -ms-transform: scale(0.1);

            }


            100% {

                left: 0;

                -ms-transform: none;

            }

        }


        @-o-keyframes zoomIn {

            0% {

                -o-transform: scale(0.1);

            }


            100% {

                left: 0;

                -o-transform: none;

            }

        }


        @keyframes zoomIn {

            0% {

                transform: scale(0.1);

            }


            100% {

                left: 0;

                transform: none;

            }

        }


        /*设置背景图像由大到小缩小动画效果*/

        /* Zoom Out */


        @-webkit-keyframes zoomOut {

            0% {

                -webkit-transform: scale(2);

            }


            100% {

                left: 0;

                -webkit-transform: none;

            }

        }


        @-moz-keyframes zoomOut {

            0% {

                -moz-transform: scale(2);

            }


            100% {

                left: 0;

                -moz-transform: none;

            }

        }


        @-ms-keyframes zoomOut {

            0% {

                -ms-transform: scale(2);

            }


            100% {

                left: 0;

                -ms-transform: none;

            }

        }


        @-o-keyframes zoomOut {

            0% {

                -o-transform: scale(2);

            }


            100% {

                left: 0;

                -o-transform: none;

            }

        }


        @keyframes zoomOut {

            0% {

                transform: scale(2);

            }


            100% {

                left: 0;

                transform: none;

            }

        }


        /*背景图像旋转出现动画效果*/

        /* Rotate */


        @-webkit-keyframes rotate {

            0% {

                -webkit-transform: rotate(-360deg) scale(0.1);

            }


            100% {

                left: 0;

                -webkit-transform: none;

            }

        }


        @-moz-keyframes rotate {

            0% {

                -moz-transform: rotate(-360deg) scale(0.1);

            }


            100% {

                left: 0;

                -moz-transform: none;

            }

        }


        @-ms-keyframes rotate {

            0% {

                -ms-transform: rotate(-360deg) scale(0.1);

            }


            100% {

                left: 0;

                -ms-transform: none;

            }

        }


        @-o-keyframes rotate {

            0% {

                -o-transform: rotate(-360deg) scale(0.1);

            }


            100% {

                left: 0;

                -o-transform: none;

            }

        }


        @keyframes rotate {

            0% {

                transform: rotate(-360deg) scale(0.1);

            }


            100% {

                left: 0;

                transform: none;

            }

        }


        /*设置背景图像不显示动画效果*/

        @-webkit-keyframes notTarget {

            0% {

                z-index: 75;

            }


            100% {

                z-index: 75;

            }

        }


        @-moz-keyframes notTarget {

            0% {

                z-index: 75;

            }


            100% {

                z-index: 75;

            }

        }


        @-ms-keyframes notTarget {

            0% {

                z-index: 75;

            }


            100% {

                z-index: 75;

            }

        }


        @-o-keyframes notTarget {

            0% {

                z-index: 75;

            }


            100% {

                z-index: 75;

            }

        }


        @keyframes notTarget {

            0% {

                z-index: 75;

            }


            100% {

                z-index: 75;

            }

        }




        .slider {

            position: absolute;

            width: 100%;

            text-align: center;

            z-index: 9999;

            bottom: 100px;

        }


        .slider li {

            display: inline-block;

            width: 170px;

            height: 130px;

            margin-right: 15px;

        }


        .slider a {

            display: inline-block;

            width: 170px;

            padding-top: 70px;

            padding-bottom: 20px;

            position: relative;

            cursor: pointer;

            border: 2px solid #fff;

            box-sizing: border-box;

            border-radius: 5px;

            vertical-align: top;

            color: #fff;

            text-decoration: none;

            font-size: 22px;

            font-family: 'Yesteryear', cursive;

            text-shadow: -1px -1px 1px rgba(0, 0, 0, 0.8), -2px -2px 1px rgba(0, 0, 0, 0.3), -3px -3px 1px rgba(0, 0, 0, 0.3);

        }


        .slider li:nth-of-type(n) ::after {

            content: '';

            position: absolute;

            width: 120px;

            height: 120px;

            border-radius: 50%;

            border: 3px solid #fff;

            left: 50%;

            top: -50%;

            transform: translateX(-50%);

        }


        .slider li:nth-of-type(n) ::before {

            content: '';

            position: absolute;

            width: 120px;

            height: 120px;

            border-radius: 50%;

            border: 3px solid #fff;

            left: 50%;

            top: -50%;

            transform: translateX(-50%);

            background-color: #999;

            opacity: 0.4;

            z-index: 999;

        }


        .slider li:nth-of-type(n):hover ::before {

            opacity: 0;

        }


        .slider li:nth-child(1) ::after {

            background: url(http://pic.netbian.com/uploads/allimg/190410/225841-155490832158f4.jpg) no-repeat;

        }


        .slider li:nth-child(2) ::after {

            background: url(http://pic.netbian.com/uploads/allimg/190824/212516-15666531161ade.jpg) no-repeat;

        }


        .slider li:nth-child(3) ::after {

            background: url(http://pic.netbian.com/uploads/allimg/210110/003338-161021001858ec.jpg) no-repeat;

        }


        .slider li:nth-child(4) ::after {

            background: url(http://pic.netbian.com/uploads/allimg/160628/211537-1467119737deb3.jpg) no-repeat;

        }


        .slider li:nth-child(5) ::after {

            background: url(http://pic.netbian.com/uploads/allimg/201228/234048-160917004816a8.jpg) no-repeat;

        }


        .slider li:nth-child(1) {

            background-color: aqua;

        }

        .slider li:nth-child(2) {

            background-color: rgb(61, 141, 78);

        }

        .slider li:nth-child(3) {

            background-color: rgb(128, 240, 202);

        }

        .slider li:nth-child(4) {

            background-color: rgb(195, 218, 92);

        }

        .slider li:nth-child(5) {

            background-color: rgb(141, 101, 179);

        }


        img#bg1:target {

            animation: slideLeft 3s;

            z-index: 100;

            animation-fill-mode: forwards;

        }

        img#bg2:target {

            animation: slideBottom 3s;

            z-index: 100;

            animation-fill-mode: forwards;

        }

        img#bg3:target {

            animation: zoomIn 3s;

            z-index: 100;

            animation-fill-mode: forwards;

        }

        img#bg4:target {

            animation: zoomOut 3s;

            z-index: 100;

            animation-fill-mode: forwards;

        }

        img#bg5:target {

            animation: rotate 3s;

            z-index: 100;

            animation-fill-mode: forwards;

        }


        img:not(:target) {

            animation: notTarget 3s;

            /* animation-fill-mode: forwards; */

        }

    </style>

</head>


<body>

    <div class="slider">

        <ul class="clearfix">

            <li><a href="#bg1">Hipster Fashion Haircut </a></li>

            <li><a href="#bg2">Cloud Computing Services</a></li>

            <li><a href="#bg3">My haire is sooo fantastic</a></li>

            <li><a href="#bg4">Eat healthy & excersice!</a></li>

            <li><a href="#bg5">Lips so I could die</a></li>

        </ul>

    </div>

    <img src="http://pic.netbian.com/uploads/allimg/190410/225841-155490832158f4.jpg" alt="" class="bg slideLeft"

        id="bg1" />

    <img src="http://pic.netbian.com/uploads/allimg/190824/212516-15666531161ade.jpg" alt="" class="bg slideBottom"

        id="bg2" />

    <img src="http://pic.netbian.com/uploads/allimg/210110/003338-161021001858ec.jpg" alt="" class="bg zoomIn"

        id="bg3" />

    <img src="http://pic.netbian.com/uploads/allimg/160628/211537-1467119737deb3.jpg" alt="" class="bg zoomOut"

        id="bg4" />

    <img src="http://pic.netbian.com/uploads/allimg/201228/234048-160917004816a8.jpg" alt="" class="bg rotate"

        id="bg5" />

</body>


</html>


提问者:恰逢暮雪 2021-01-20 14:38

个回答

  • 星栎
    2021-03-15 14:49:13

    ???????????????

    <!DOCTYPE HTML><htmllang="en-US">    <head>        <meta charset="UTF-8">     <title>CSS3 Full Background Slider </title>        <style type="text/css">            @importurl("http://www.w3cplus.com/demo/css3/base.css");            @importurl("http://fonts.googleapis.com/css?family=Yesteryear");            html,body {            height: 100%;            }            /*设置背景图片全屏显示,并且居中*/            img.bg {            min-height: 100%;            min-width: 1024px;            width: 100%;            height: auto !important;            height: 100%;            position: fixed;            top: 0;            left: 50%;            z-index:1;              -webkit-transform: translateX(-50%);              -moz-transform: translateX(-50%);              -o-transform: translateX(-50%);              -ms-transform: translateX(-50%);            }            /*设置背景图片从左向右移入显示的动画效果*/            /* Slide Left */                        @-webkit-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @-moz-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @-o-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @-ms-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            /*设置背景图像从底部向顶部移入的动画效果*/             /* Slide Bottom */                        @-webkit-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @-moz-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @-ms-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @-o-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            /*设置背景图片由小到大放大动画效果*/            /* Zoom In */                        @-webkit-keyframes 'zoomIn' {             0% { -webkit-transform: scale(0.1); }             100% { -webkit-transform: none; }            }            @-moz-keyframes 'zoomIn' {             0% { -moz-transform: scale(0.1); }             100% { -moz-transform: none; }            }            @-ms-keyframes 'zoomIn' {             0% { -ms-transform: scale(0.1); }             100% { -ms-transform: none; }            }            @-o-keyframes 'zoomIn' {             0% { -o-transform: scale(0.1); }             100% { -o-transform: none; }            }            @keyframes 'zoomIn' {             0% { transform: scale(0.1); }             100% { transform: none; }            }            /*设置背景图像由大到小缩小动画效果*/            /* Zoom Out */                        @-webkit-keyframes 'zoomOut' {             0% { -webkit-transform: scale(2); }             100% { -webkit-transform: none; }            }            @-moz-keyframes 'zoomOut' {             0% { -moz-transform: scale(2); }             100% { -moz-transform: none; }            }            @-ms-keyframes 'zoomOut' {             0% { -ms-transform: scale(2); }             100% { -ms-transform: none; }            }            @-o-keyframes 'zoomOut' {             0% { -o-transform: scale(2); }             100% { -o-transform: none; }            }            @keyframes 'zoomOut' {             0% { transform: scale(2); }             100% { transform: none; }            }            /*背景图像旋转出现动画效果*/            /* Rotate */                        @-webkit-keyframes 'rotate' {             0% { -webkit-transform: rotate(-360deg) scale(0.1); }             100% { -webkit-transform: none; }            }            @-moz-keyframes 'rotate' {             0% { -moz-transform: rotate(-360deg) scale(0.1); }             100% { -moz-transform: none; }            }            @-ms-keyframes 'rotate' {             0% { -ms-transform: rotate(-360deg) scale(0.1); }             100% { -ms-transform: none; }            }            @-o-keyframes 'rotate' {             0% { -o-transform: rotate(-360deg) scale(0.1); }             100% { -o-transform: none; }            }            @keyframes 'rotate' {             0% { transform: rotate(-360deg) scale(0.1); }             100% { transform: none; }            }            /*设置背景图像不显示动画效果*/            @-webkit-keyframes 'notTarget' {             0% { z-index: 75; }             100% { z-index: 75; }            }            @-moz-keyframes 'notTarget' {             0% { z-index: 75; }             100% { z-index: 75; }            }            @-ms-keyframes 'notTarget' {             0% { z-index: 75; }             100% { z-index: 75; }            }            @-o-keyframes 'notTarget' {             0% { z-index: 75; }             100% { z-index: 75; }            }            @keyframes 'notTarget' {             0% { z-index: 75; }             100% { z-index: 75; }            }                                                .slider {            position: absolute;            width: 100%;            text-align: center;            z-index: 9999;            bottom: 100px;            }            .slider li {            display: inline-block;            width: 170px;            height: 130px;            margin-right: 15px;            }            .slider a {            display: inline-block;            width: 170px;            padding-top: 70px;            padding-bottom: 20px;            position: relative;            cursor: pointer;            border: 2px solid #fff;            border-radius: 5px;            vertical-align: top;            color: #fff;            text-decoration: none;            font-size: 22px;            font-family: 'Yesteryear', cursive;            text-shadow: -1px -1px 1px rgba(0, 0, 0, 0.8),-2px -2px 1px rgba(0, 0, 0, 0.3),-3px -3px 1px rgba(0, 0, 0, 0.3);            }            /*任务一、设置不同列表的背景色*/            写入正确选择器{            background-color: #02646e;            }            写入正确选择器{            background-color: #eb0837;            }            写入正确选择器{            background-color: #67b374;            }                写入正确选择器{            background-color: #e6674a;            }                写入正确选择器{            background-color: #e61061;            }            /*任务二、设置缩略图形状*/            写入正确选择器{            content:"";            display: block;            height: 120px;            width: 120px;            border: 5px solid #fff;            border-radius: 50%;            position: absolute;            left: 50%;            margin-left: -60px;            z-index: 9999;            top: -80px;            }            /*任务三、设置缩略图背景图像*/            写入正确选择器{            background: url(http://www.w3cplus.com/demo/css3/CSS3Fullbackground/sbg1.jpg) no-repeat center;            }            写入正确选择器{            background: url(http://www.w3cplus.com/demo/css3/CSS3Fullbackground/sbg2.jpg) no-repeat center;            }            写入正确选择器{            background: url(http://www.w3cplus.com/demo/css3/CSS3Fullbackground/sbg3.jpg) no-repeat center;            }            写入正确选择器{            background: url(http://www.w3cplus.com/demo/css3/CSS3Fullbackground/sbg4.jpg) no-repeat center;            }            写入正确选择器{            background: url(http://www.w3cplus.com/demo/css3/CSS3Fullbackground/sbg5.jpg) no-repeat center;            }            /*任务四、给缩略图添加蒙板效果*/            写入正确选择器{            content:"";            display: block;            height: 120px;            width: 120px;            border: 5px solid #fff;            border-radius: 50%;            position: absolute;            left: 50%;            margin-left: -60px;            z-index: 99999;            top: -80px;            background: rgba(0,0,0,0.3);            }            /*任务五、鼠标悬浮时,修改缩略图蒙板透明度*/            写入正确选择器{            opacity:0;            }            /*任务六、点击综略图,切换背景图*/            /*背景图从左向右出现*/            写入正确选择器{             z-index: 100;             -webkit-animation-name: slideLeft;             -webkit-animation-duration: 1s;             -webkit-animation-iteration-count: 1;             -moz-animation-name: slideLeft;             -moz-animation-duration: 1s;             -moz-animation-iteration-count: 1;             -ms-animation-name: slideLeft;             -ms-animation-duration: 1s;             -ms-animation-iteration-count: 1;             -o-animation-name: slideLeft;             -o-animation-duration: 1s;             -o-animation-iteration-count: 1;             animation-name: slideLeft;             animation-duration: 1s;             animation-iteration-count: 1;            }            /*背景图从下向上出现*/            写入正确选择器{             z-index: 100;                         -webkit-animation-name: slideBottom;             -webkit-animation-duration: 1s;             -webkit-animation-iteration-count: 1;             -moz-animation-name: slideBottom;             -moz-animation-duration: 1s;             -moz-animation-iteration-count: 1;             -ms-animation-name: slideBottom;             -ms-animation-duration: 1s;             -ms-animation-iteration-count: 1;             -o-animation-name: slideBottom;             -o-animation-duration: 1s;             -o-animation-iteration-count: 1;            animation-name: slideBottom;             animation-duration: 1s;             animation-iteration-count: 1;            }            /*背景图由小到大出现*/            写入正确选择器{             z-index: 100;             -webkit-animation-name: zoomIn;             -webkit-animation-duration: 1s;             -webkit-animation-iteration-count: 1;             -moz-animation-name: zoomIn;             -moz-animation-duration: 1s;             -moz-animation-iteration-count: 1;             -ms-animation-name: zoomIn;             -ms-animation-duration: 1s;             -ms-animation-iteration-count: 1;             -o-animation-name: zoomIn;             -o-animation-duration: 1s;             -o-animation-iteration-count: 1;             animation-name: zoomIn;             animation-duration: 1s;             animation-iteration-count: 1;            }                        /*背景图由大到小出现*/            写入正确选择器{             z-index: 100;             -webkit-animation-name: zoomOut;             -webkit-animation-duration: 1s;             -webkit-animation-iteration-count: 1;             -moz-animation-name: zoomOut;             -moz-animation-duration: 1s;             -moz-animation-iteration-count: 1;             -ms-animation-name: zoomOut;             -ms-animation-duration: 1s;             -ms-animation-iteration-count: 1;             -o-animation-name: zoomOut;             -o-animation-duration: 1s;             -o-animation-iteration-count: 1;             animation-name: zoomOut;             animation-duration: 1s;             animation-iteration-count: 1;            }                        /*背景图旋转出现*/            写入正确选择器{             z-index: 100;             -webkit-animation-name: rotate;             -webkit-animation-duration: 1s;             -webkit-animation-iteration-count: 1;             -moz-animation-name: rotate;             -moz-animation-duration: 1s;             -moz-animation-iteration-count: 1;             -ms-animation-name: rotate;             -ms-animation-duration: 1s;             -ms-animation-iteration-count: 1;             -o-animation-name: rotate;             -o-animation-duration: 1s;             -o-animation-iteration-count: 1;             animation-name: rotate;             animation-duration: 1s;             animation-iteration-count: 1;            }            /*任务七、设置不显示的背景图层级*/            /* Not Target */                        写入正确选择器{             -webkit-animation-name: notTarget;             -webkit-animation-duration: 1s;             -webkit-animation-iteration-count: 1;             -moz-animation-name: notTarget;             -moz-animation-duration: 1s;             -moz-animation-iteration-count: 1;             -ms-animation-name: notTarget;             -ms-animation-duration: 1s;             -ms-animation-iteration-count: 1;             -o-animation-name: notTarget;             -o-animation-duration: 1s;             -o-animation-iteration-count: 1;             animation-name: notTarget;             animation-duration: 1s;             animation-iteration-count: 1;            }        </style>    </head>    <body>        <div class="slider">            <ul class="clearfix">             <li><a href="#bg1">Hipster Fashion Haircut </a></li>         <li><a href="#bg2">Cloud Computing Services &amp; Consulting</a></li>         <li><a href="#bg3">My haire is sooo fantastic!</a></li>         <li><a href="#bg4">Eat healthy &amp; excersice!</a></li>         <li><a href="#bg5">Lips so kissable I could die ...</a></li>         </ul>        </div>        <img src="http://www.w3cplus.com/demo/css3/CSS3Fullbackground/bg1.jpg" alt="" class="bg slideLeft" id="bg1" />        <img src="http://www.w3cplus.com/demo/css3/CSS3Fullbackground/bg2.jpg" alt="" class="bg slideBottom" id="bg2" />        <img src="http://www.w3cplus.com/demo/css3/CSS3Fullbackground/bg3.jpg" alt="" class="bg zoomIn" id="bg3" />        <img src="http://www.w3cplus.com/demo/css3/CSS3Fullbackground/bg4.jpg" alt="" class="bg zoomOut" id="bg4" />        <img src="http://www.w3cplus.com/demo/css3/CSS3Fullbackground/bg5.jpg" alt="" class="bg rotate" id="bg5" />    </body></html><!DOCTYPE HTML><htmllang="en-US">    <head>        <meta charset="UTF-8">     <title>CSS3 Full Background Slider </title>        <style type="text/css">            @importurl("http://www.w3cplus.com/demo/css3/base.css");            @importurl("http://fonts.googleapis.com/css?family=Yesteryear");            html,body {            height: 100%;            }            /*设置背景图片全屏显示,并且居中*/            img.bg {            min-height: 100%;            min-width: 1024px;            width: 100%;            height: auto !important;            height: 100%;            position: fixed;            top: 0;            left: 50%;            z-index:1;              -webkit-transform: translateX(-50%);              -moz-transform: translateX(-50%);              -o-transform: translateX(-50%);              -ms-transform: translateX(-50%);            }            /*设置背景图片从左向右移入显示的动画效果*/            /* Slide Left */                        @-webkit-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @-moz-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @-o-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @-ms-keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            @keyframes 'slideLeft' {             0% { left: -500px; }             100% { left: 0; }            }            /*设置背景图像从底部向顶部移入的动画效果*/             /* Slide Bottom */                        @-webkit-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @-moz-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @-ms-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @-o-keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            @keyframes 'slideBottom' {             0% { top: 350px; }             100% { top: 0; }            }            /*设置背景图片由小到大放大动画效果*/            /* Zoom In */                        @-webkit-keyframes 'zoomIn' {             0% { -webkit-transform: scale(0.1); }             100% { -webkit-transform: none; }            }            @-moz-keyframes 'zoomIn' {             0% { -moz-transform: scale(0.1); }             100% { -moz-transform: none; }            }            @-ms-keyframes 'zoomIn' {             0% { -ms-transform: scale(0.1); }             100% { -ms-transform: none; }            }            @-o-keyframes 'zoomIn' {             0% { -o-transform: scale(0.1); }             100% { -o-transform: none; }            }            @keyframes 'zoomIn' {             0% { transform: scale(0.1); }             100% { transform: none; }            }            /*设置背景图像由大到小缩小动画效果*/            /* Zoom Out */                        @-webkit-keyframes 'zoomOut' {             0% { -webkit-transform: scale(2); }             100% { -webkit-transform: none; }            }            @-moz-keyframes 'zoomOut' {             0% { -moz-transform: scale(2); }             100% { -moz-transform: none; }            }            @-ms-keyframes 'zoomOut' {             0% { -ms-transform: scale(2); }             100% { -ms-transform: none; }            }            @-o-keyframes 'zoomOut' {             0% { -o-transform: scale(2); }             100% { -o-transform: none; }            }            @keyframes 'zoomOut' {             0% { transform: scale(2); }             100% { transform: none; }            }            /*背景图像旋转出现动画效果*/            /* Rotate */                        @-webkit-keyframes 'rotate' {             0% { -webkit-transform: rotate(-360deg) scale(0.1); }             100% { -webkit-transform: none; }            }            @-moz-keyframes 'rotate' {             0% { -moz-transform: rotate(-360deg) scale(0.1); }             100% { -moz-transform: none; }            }            @-ms-keyframes 'rotate' {             0% { -ms-transform: rotate(-360deg) scale(0.1); }